Home / 727,774.66-1,091,610.15-272,279.26

Finding the Fourth Proportional to 727,774.66, 1,091,610.15 and 272,279.26

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Solution

The fourth proportional to 727,774.66, 1,091,610.15 and 272,279.26 is: 408,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,774.66 : 1,091,610.15 = 272,279.26 : x
  2. Step 2: Convert to fraction form
    727,774.66/1,091,610.15 = 272,279.26/x
  3. Step 3: Cross multiply
    727,774.66x = 1,091,610.15 × 272,279.26
  4. Step 4: Simplify right side
    727,774.66x = 297,222,803,850.49
  5. Step 5: Solve for x
    x = 297,222,803,850.49/727,774.66
  6. Step 6: Final answer
    x = 408,399.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.